rsstool is a tool to read, parse, merge, and write
RSS (and Atom) feeds. It has some other functions
built-in like text, HTML, or property file output,
or templates with custom tags to insert RSS feeds
into pages that could be uploaded to a server that
supports only static HTML.

SuperSimpleNews is a news script for Web sites. It doesn't require a database, since all news articles are stored in simple CSV files. It includes a password protected administrative backend for adding, editing, and deleting articles. widgEditor is used for editing the text. Example scripts are included to get you setup quickly. RSS support is included by default.

Engroup is an enterprise groupware system promotes collaboration among members in a team or company. It also helps members manage their business better. It has the following modules: a dashboard that aggregates contents from the mail system and RSS from some known sources; private messages, an alternative method for fast communication among members to replace chatting or email; email, which supports the IMAP protocol with SSL enabled; a forum, implemented with JForum; a wiki, implemented with JSPWiki; HRM to manage employee information; CRM to manage customer information; a document management system; a project management system; a todo list to track private tasks of a user; and an RSS reader.

Syndicate Press is a Wordpress plugin that lets you include RSS feeds directly in your Wordpress posts or pages. This plugin provides a very easy-to-use administration page and includes great features such as feed caching, filters, and multiple display options. The plugin is highly configurable and works with your site's theme and it does not force arbitrary formatting of the RSS feed contents.

Python-ftn is an API and suite of tools for manipulating FTN message and packet data. The package currently includes tools for generating, editing, and querying packet and message data. The python-ftn API makes it easy to develop new tools that interact with FTN format data.

rsscache allows you to aggregate and cache feeds (including RSS) into an SQL database and generate new feeds from them using search queries, categories, etc. A simple XSL example to turn the cache output into a new Web site is included.

FlexPHP News is a set of news management scripts that provide a time-saving and cost-effective way to edit, publish, and revise articles and news items. Unlike the majority of other similar news management systems, it has been specially designed to be search engine optimized, and has several useful tools for Web marketing, article plagiarism checking, article keyword density checking, article Google indexing checking, and more.